various electrical / mechanical works to be carried out at wss goos under m&r.- 1 extraction of damaged coupling using tools tackles and finally providing & fitting of tc 14 ms coupling ( after boring to required size ) with coupling tyre, nuts, bolts etc and the job includes alignment of pumping equipment and finally testing at site on full load. 2 p / f of mccb 250 a, 04 pole 03 phase 415 / 440 v 50 / 60 hz 35 kva of aaproved and standard quality & make. 3 p / f of 100 mm dia pn 16 ductile iron non return valve of approved and standard make. 4 p / f of bearing of size 6308 after extraction of damaged bearings. the job also includes lubrication of bearings. 5 p / f of bearing of size 6308 after extraction of damaged bearings. 6 p / f of 3307 double row angular contact ball bearing ( wss kakapora newa bulbulnag ) 7 supply of 05 kg grease.